Hanna Winter Books

Sacrifice

By Hanna Winter, Sharmila Cohen, Jessica Carroll

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THRILLER / SUSPENSE. He must hunt her down. Kill her. Destroy her ...In her very first case, criminal psychologist Lena Peters is confronted with a killer on a murderous vendetta. And though she is...

Stirb

By Hanna Winter

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Opfertod

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Seelenriss

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Ein brutaler Killer treibt sein Unwesen in Berlins Straßen. Er genießt es, zu töten. Er muss es wieder tun. Wann? Wer? Und warum? Nur Profilerin Lena Peters kann sein blutiges Geschäft beenden. Den...

Sacrifice

By Hanna Winter

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Sacrifice

By Hanna Winter

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Die Spur der Kinder

By Hanna Winter

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.